Cisco Bug: CSCvu70632 - Sha1 algorithm is not supported starting from version 17.1.1 onwards
Jun 26, 2020
Known Affected Releases
Symptom: Starting from versions 17.1.1 sha1 algorithm is not available in the configuration for SSH server. Sha1 is missing as an option hmac-sha1 hmac-sha1-96 Switch(config)#ip ssh server algorithm mac hmac-sha2-256 HMAC-SHA2-256 (digest length = 256 bits, key length = 256 bits) hmac-sha2-512 HMAC-SHA2-512 (digest length = 512 bits, key length = 512 bits) Conditions: SHA1 algorithm is not supported or not working.
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